django-cms · czpython · Jul 25, 2018 · Jul 20, 2018 · Jul 20, 2018 · Jul 20, 2018
diff --git a/cms/migrations/0023_auto_20180719_1638.py b/cms/migrations/0023_auto_20180719_1638.py
@@ -0,0 +1,27 @@
+# -*- coding: utf-8 -*-
+# Generated by Django 1.11.14 on 2018-07-19 16:38
+from __future__ import unicode_literals
+
+from django.db import migrations, models
+import django.db.models.deletion
+
+
+class Migration(migrations.Migration):
+
+    dependencies = [
+        ('contenttypes', '0002_remove_content_type_name'),
+        ('cms', '0022_auto_20180620_1551'),
+    ]
+
+    operations = [
+        migrations.AddField(
+            model_name='placeholder',
+            name='content_type',
+            field=models.ForeignKey(blank=True, null=True, on_delete=django.db.models.deletion.SET_NULL, to='contenttypes.ContentType'),
+        ),
+        migrations.AddField(
+            model_name='placeholder',
+            name='object_id',
+            field=models.PositiveIntegerField(blank=True, null=True),
+        ),
+    ]
diff --git a/cms/migrations/0023_title_placeholders.py → cms/migrations/0024_title_placeholders.py b/cms/migrations/0023_title_placeholders.py → cms/migrations/0024_title_placeholders.py
@@ -8,7 +8,7 @@
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('cms', '0022_auto_20180620_1551'),
+        ('cms', '0023_auto_20180719_1638'),
     ]
 
     operations = [
@@ -17,7 +17,7 @@ class Migration(migrations.Migration):
             name='placeholders',
             field=models.ManyToManyField(editable=False, to='cms.Placeholder'),
         ),
-        # Temporary field used by migration 0024
+        # Temporary field used by migration 0025
         migrations.AddField(
             model_name='placeholder',
             name='title_id',

diff --git a/...0024_title_placeholders_data_migration.py → ...0025_title_placeholders_data_migration.py b/...0024_title_placeholders_data_migration.py → ...0025_title_placeholders_data_migration.py
@@ -113,7 +113,7 @@ def forwards(apps, schema_editor):
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('cms', '0023_title_placeholders'),
+        ('cms', '0024_title_placeholders'),
     ]
 
     operations = [

diff --git a/...grations/0025_remove_page_placeholders.py → ...grations/0026_remove_page_placeholders.py b/...grations/0025_remove_page_placeholders.py → ...grations/0026_remove_page_placeholders.py
@@ -8,7 +8,7 @@
 class Migration(migrations.Migration):
 
     dependencies = [
-        ('cms', '0024_title_placeholders_data_migration'),
+        ('cms', '0025_title_placeholders_data_migration'),
     ]
 
     operations = [

diff --git a/cms/models/placeholdermodel.py b/cms/models/placeholdermodel.py
@@ -5,6 +5,8 @@
 from datetime import datetime, timedelta
 
 from django.contrib import admin
+from django.contrib.contenttypes.fields import GenericForeignKey
+from django.contrib.contenttypes.models import ContentType
 from django.db import models
 from django.template.defaultfilters import title
 from django.utils import six
@@ -35,6 +37,14 @@ class Placeholder(models.Model):
     """
     slot = models.CharField(_("slot"), max_length=255, db_index=True, editable=False)
     default_width = models.PositiveSmallIntegerField(_("width"), null=True, editable=False)
+    content_type = models.ForeignKey(
+        ContentType,
+        blank=True,
+        null=True,
+        on_delete=models.SET_NULL,
+    )
+    object_id = models.PositiveIntegerField(blank=True, null=True)
+    source = GenericForeignKey('content_type', 'object_id')
     cache_placeholder = True
     is_static = False
     is_editable = True